Vehicle summary
ULEZ status is estimated based on fuel type and registration year. It may not reflect the actual emission standard of this vehicle. Check with TfL for a definitive answer.
At a glance
This 2021 Audi A3 S Line 40 Tfsi E S-A Hybrid Electric (Clean) 1395cc has had 3 MOT tests on record, passing every one. It has 39,573 miles on the clock, averaging 8,366 miles per year, around the UK average of 7,400.
MOT & Mileage History for KN21 BWX
Data from DVSA. Last updated August 2026. Check gov.uk for the latest.
MOT failures recorded
Average miles/year
Gaps in MOT history
Mileage Analysis
About average| Latest reading | 39,573 miles |
| Reading date | |
| Miles last year | 11,691 |
| Average per year | 8,366 |
| Mileage consistency | Consistent |
Check KN21 BWX
- Write-off & insurance claims Experian
- Outstanding finance check Experian
- Stolen vehicle check Experian
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- Mileage discrepancy alerts
- Plate & colour change history
- Franchised dealer records
- Independent garage visits
- Service interval analysis
- Warranty work logged
Full MOT Test History 3 tests on record
Common faults, what to check, and what to pay
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Vehicle Details
| Registration | KN21 BWX |
| Make | Audi |
| Model | A3 S Line 40 Tfsi E S-A |
| Colour | Black |
| Fuel type | Hybrid Electric (Clean) |
| Engine | 1395cc |
| Year | 2021 |
| First registered | |
| Area code | KN — Luton, Luton and Northampton |
| Age identifier | 21 — March 2021 to August 2021 |
More KN21 B plates
Browse all KN21 B registrations from Luton.
About KN21 BWX
What car is KN21 BWX?
KN21 BWX is a black Audi A3 S Line 40 Tfsi E S-A, hybrid electric (clean) (1395cc). First registered in Luton in 2021.
What is the mileage of KN21 BWX?
The last recorded mileage for KN21 BWX was 39,573 miles, recorded on 5 May 2026 during its most recent MOT test.
Has KN21 BWX passed its MOT?
KN21 BWX has had 3 MOT tests with an 100% pass rate (3 passes, 0 failures). It last passed on 5 May 2026.
Is KN21 BWX ULEZ compliant?
Based on its fuel type and registration year, KN21 BWX is likely ULEZ compliant. Electric — exempt. This is an estimate based on typical emission standards — confirm with TfL's ULEZ checker for a definitive answer.
How old is KN21 BWX?
KN21 BWX is approximately 5 years old. Age identifier 21 means registered between 1 March 2021 and 31 August 2021.